0=(2y−1)(8−y)0, equals, left parenthesis, 2, y, minus, 1, right parenthesis, left parenthesis, 8, minus, y, right parenthesis Let y=uy=uy, equals, u and y=dy=dy, equals, d be unique solutions to the equation above. What is the value of u\cdot du⋅du, dot, d?

Humans have survived and thrived in mexico city by using technology to create greater access to land. when the spanish conquered the aztec capital, tenochtitlan, in the 16th century, they built mexico city by draining the lakes and filling in the lake water to create more arable land for agriculture. this technique of land reclamation has continued to be fundamental to human civilization in mexico city. 

Historians are researchers of the past or people who understand the history of people. with this field, they must possess qualities such as being unbiased, patient, efficient reader, has a knack for logic and critical thinking and reasoning, disciplined, open-minded, resourceful, with good analytical ability, good reasoning skills and problem solving!

Maybe on the physical part? i dunno i just guessed plus i really need the points

Intrusion is the best answer and the newest form.